United-States-of-America(USA) country code

United-States-of-America(USA) country code is :

00 1 or +1
You will always have to dial this telephone code before the number you want to call in United-States-of-America(USA).

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How to call United-States-of-America(USA) ?

To call United-States-of-America(USA) you need to dial like this : 00 + United-States-of-America(USA) country code + city area code + the number you wish to call.
For example to call United-States-of-America(USA) you always need to do 001 + number, so it looks like 00 1XXXXXXXXX.
(00) is the intrnational access code but from Canada it is 011.

What is the 1 country code ?

001 is United-States-of-America(USA) country telephone code. It's the dialing code you need for calling United-States-of-America(USA) from another country. This page concern only United-States-of-America(USA) dial code. If you want to know others dialing country codes you can find what you search in homepage.

International access code can be replaced by "+" and the dialing code can be written like +1 or like 001.